Qral Questions
> Name dust-like particles which take part in reproduction.
2. Neme the male parts of a flower
3 which port of flower becomes (a) seed (b) fruit ?
Who is the lower broader portion of the pistil called ?
What is the transfer of pollen grains from the anther of a stamen to the stigma of the pistil
Answers
Answer:
i) polle grain
Explanation:
ii) anther ,androceium , stamen etc
iii)ovules,ovary
pollination
Answer:
1) Pollen grains
2)The stamen is the male reproductive organ. It consists of a pollen sac (anther) and a long supporting filament.
3)Ovule -The fertilized ovule becomes the seed, and the ovary becomes the fruit.
4)The lower broader portion of the pistil is called ovary. It contains the ovules which take part in reproduction. Style: The narrow middle portion of the pistil is called style. Stigma: The sticky end at the top of the style is called stigma.
5)The transfer of pollen grains from the anther of one flower to the stigma of another flower of the same plant is called geitonogamy. This transfer involves a pollinating agent. Genetically, it is similar to autogamy since the pollen grains come from the same plant. Its also called as pollination
Explanation: